In response, fans launched their own 'Sing for Adele' campaign, which broke out over social media on the dates of the cancelled remaining tour dates.

Concertgoers and Adele fans – who identify as 'daydreamers' – were encouraged to attend Wembley Stadium and sing the singer's biggest tracks in her honour.

Here are just a few videos of what went on:

So, in response, fans launched their own 'Sing for Adele' campaign, which broke out over social media on the dates of the cancelled remaining tour dates. As part of the 'Sing For Adele' campaign, would-be concertgoers and Adele fans – who identify as 'daydreamers' – were encouraged to attend Wembley Stadium and sing the singer's biggest tracks in her honour. Here are just a few videos of what went on: